T52.1X3

⚠ Non-billable (Header)

Toxic effect of benzene, assault

Injury, poisoning and certain other consequences of external causes (S00-T88)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

T52.1

• homologues of benzene (T52.2)
• nitroderivatives and aminoderivatives of benzene and its homologues (T65.3)

T52

• halogen derivatives of aliphatic and aromatic hydrocarbons (T53.-)

Child Codes (3)

T52.1X3AToxic effect of benzene, assault, initial encounter✓ Billable T52.1X3DToxic effect of benzene, assault, subsequent encounter✓ Billable T52.1X3SToxic effect of benzene, assault, sequela✓ Billable

Clinical Description

ICD-10-CM code T52.1X3 represents toxic effect of benzene, assault. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

This is a 7-character code at the 6th level of specificity. There are 3 more specific child codes under T52.1X3. Coders should note that T52.1X3 has 3 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code T52.1X3?

ICD-10-CM code T52.1X3 is "Toxic effect of benzene, assault". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).

Is T52.1X3 a billable ICD-10 code?

No, T52.1X3 is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with T52.1X3?

T52.1X3 has 3 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Related Codes in T52.1X

Other codes in the same category that may be relevant for differential coding:

T52.1X1Toxic effect of benzene, accidental (unintentional)T52.1X2Toxic effect of benzene, intentional self-harm T52.1X4Toxic effect of benzene, undetermined

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Code Information

CodeT52.1X3

BillableNo — Header code

ParentT52.1X

CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)

Excludes13 rule(s)

Excludes20 note(s)

Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)